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Thread: I think my frog has Chytrid, what can I do?

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    Moderator GrifTheGreat's Avatar
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    Default Re: I think my frog has Chytrid, what can I do?

    Namio it is recommended to not use bleach on plastics. That's why you throw them away. I've read this many times.

    88° For a prolonged period can be extremely detrimental and the temp that kills Chytrid is 90° for 6 hours straight which will kill the frog. What you're not realizing is that they may be from these hot areas, BUT they thermoregulate by burrowing down deep into the moist cool soil so they are never truly exposed to these temps for any prolonged period.


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    Default Re: I think my frog has Chytrid, what can I do?

    their micro niche in the enviroment is typically not as hot as the rest of the jungle. Consider the air temperatures on a hot day on the street as opposed to being in the forest, or a parking ramp.

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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by Ra View Post
    their micro niche in the enviroment is typically not as hot as the rest of the jungle. Consider the air temperatures on a hot day on the street as opposed to being in the forest, or a parking ramp.
    Exactly!!


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    Default Re: I think my frog has Chytrid, what can I do?

    ANd like Griff said, if they get too hot, down they go. Thats why heat sources placed beneath the terrarium is a no no for these guys. Unlike many reptiles, which sit on a hot surface to heat up or under the sun, a tropical frog will typically be more hard wired to finding ways to cool down.

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  6. #5
    Namio
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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by GrifTheGreat View Post
    Namio it is recommended to not use bleach on plastics. That's why you throw them away. I've read this many times.
    Thanks for the warning. Bleach do tend to destroy things, but if that's the case then complete desiccation or drying of the plastic decor will kill chytrid just fine. Chytrid, despite being a virulent pathogen, is actually quite wimpy. Complete drying for a few days will kill it. No chance.

    88° For a prolonged period can be extremely detrimental and the temp that kills Chytrid is 90° for 6 hours straight which will kill the frog. What you're not realizing is that they may be from these hot areas, BUT they thermoregulate by burrowing down deep into the moist cool soil so they are never truly exposed to these temps for any prolonged period
    I hate to be defensive but I said to increase temperature to stunt chytrid growth while seeking treatment, not to use heat treatment to cure chytrid. Chytrid grows fastest under 25 C and the frog may die before casta even got lamasil AT. My bad on the rough estimation of temperature conversion, 30 degree C is actually 86 F. Chytrid growth stops at 29 degree C and any temperature above will kill it, just higher the temperature, the faster chytrid dies. It does not necessarily have to be 90 F for 6 hours.

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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by Namio View Post
    Thanks for the warning. Bleach do tend to destroy things, but if that's the case then complete desiccation or drying of the plastic decor will kill chytrid just fine. Chytrid, despite being a virulent pathogen, is actually quite wimpy. Complete drying for a few days will kill it. No chance.



    I hate to be defensive but I said to increase temperature to stunt chytrid growth while seeking treatment, not to use heat treatment to cure chytrid. Chytrid grows fastest under 25 C and the frog may die before casta even got lamasil AT. My bad on the rough estimation of temperature conversion, 30 degree C is actually 86 F. Chytrid growth stops at 29 degree C and any temperature above will kill it, just higher the temperature, the faster chytrid dies. It does not necessarily have to be 90 F for 6 hours.
    Not true and not worth the risk. Drying plastic is not going to kill it. Spores go into a sort of dormancy period when dry and just because it it stops growing doesn't mean it will die off. Fungal spores can still remain dormant. Doesn't take long for them to begin to grow when conditions are right. 90° Is the proven temp that Chytrid dies at and the duration is 6 hours. I'm not going to go any further into it since it is starting a little conflict that makes you feel you need to defend your post. Ill just leave it at that.


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    Default Re: I think my frog has Chytrid, what can I do?

    It has to be a consistent 90 degrees F for 4 days straight to kill the fungus and its spores. The method is to heat the water holding the frog to 91 to 93 degrees, the air has to be that hot as well but its important that the water is as well. A 1% salt solution is added.
    Five days at this temp is whats recommended. An adult Horned Frog will survive this, and short term high temperatures are unlikely to result in kidney damage.

    Keeping any items used bone dry for six hours will kill the spores, holding them at 95 F will ensure that as well, so you dont have to toss all the items (but why not just toss them any way)

    I would use heat treatment in combination with Lamisil. I guess you have to ask yourself if stressed is better than dead.

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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by Ra View Post
    It has to be a consistent 90 degrees F for 4 days straight to kill the fungus and its spores. The method is to heat the water holding the frog to 91 to 93 degrees, the air has to be that hot as well but its important that the water is as well. A 1% salt solution is added.
    Five days at this temp is whats recommended. An adult Horned Frog will survive this, and short term high temperatures are unlikely to result in kidney damage.

    Keeping any items used bone dry for six hours will kill the spores, holding them at 95 F will ensure that as well, so you dont have to toss all the items (but why not just toss them any way)

    I would use heat treatment in combination with Lamisil. I guess you have to ask yourself if stressed is better than dead.
    Since stress is the number one killer of captive bred frogs I'd say if that advice was followed it would be dead no matter what. Never use multiple treatments. Especially when they're as stressful as either of these treatments. Most don't survive the heat treatment and plastic releases poisonous fumes when heated. I feel the Lamisil treatment will suffice since the risk doesn't outweigh the alternative risk.


  10. #9
    Namio
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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by GrifTheGreat View Post
    Not true and not worth the risk. Drying plastic is not going to kill it. Spores go into a sort of dormancy period when dry and just because it it stops growing doesn't mean it will die off. Fungal spores can still remain dormant. Doesn't take long for them to begin to grow when conditions are right.
    Actually it's true, although you are absolutely right about the resting/dormant stage that most Chytrdiomycetes are capable of. But unlike other members of chytrid fungi, there is no resting stage found in the species Batrachochytrium dendrobatiditis. There are about 127 genera and 1000 species of chytrid fungi, and there's only one species that can parasitize and cause a disease in vertebrates (amphibians). The amphibian chytrid is so unique that a new genus was given to it, and is still without a Family because scientists don't know where to place it, once again due to its uniqueness. All in all, blah blah blah, and so basically, desiccation is a proven effective way of killing the amphibian chytrid.

    90° Is the proven temp that Chytrid dies at and the duration is 6 hours.
    I never said it's not a proven temp treatment that chytrid dies. We are agreed on this. Not sure why you brought it up. I was simply making a point where any temp above 30C will kill chytrid. Just higher the temp (>30 C), faster it dies. There are a couple of published studies testing different high temps and that's what they learned. Everything I said about chytrid were all based on scientific literature.

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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by Namio View Post
    Actually it's true, although you are absolutely right about the resting/dormant stage that most Chytrdiomycetes are capable of. But unlike other members of chytrid fungi, there is no resting stage found in the species Batrachochytrium dendrobatiditis. There are about 127 genera and 1000 species of chytrid fungi, and there's only one species that can parasitize and cause a disease in vertebrates (amphibians). The amphibian chytrid is so unique that a new genus was given to it, and still without a Family because scientists don't know where to place it, once again due to its uniqueness. All in all, blah blah blah, and so basically, desiccation is a proven effective way of killing the amphibian chytrid.



    I never said it's not a proven temp treatment that chytrid dies. We are agreed on this. Not sure why you brought it up. I was simply making a point where any temp above 30C will kill chytrid. Just higher the temp (>30 C), faster it dies. There are a couple of published studies testing different high temps and that's what they learned. Everything I said about chytrid were all based on scientific literature.
    I honestly don't know why i brought that up now that i re-read your post. Must have read it wrong . I'm very tired. Just got home from work not long ago. Sorry if it felt like an attack. I watched a really good lecture on Amphibian decline. I may send you the link if i can find it. I believe you'd enjoy it and others as well. It mentioned two parasitic species of Chyrtid. One weaker than the other, but still dangerous nonetheless.

    Couldn't get the full video, but its on FORA.tv
    Last edited by GrifTheGreat; September 17th, 2012 at 08:24 PM.


  12. #11
    Namio
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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by GrifTheGreat View Post
    I honestly don't know why i brought that up now that i re-read your post. Must have read it wrong . I'm very tired. Just got home from work not long ago. Sorry if it felt like an attack. I watch a really good lecture on Amphibian decline. I may send you the link if i can find it. I believe youd enjoy it and others as well. It mentioned two parasitic species of Chyrtid. One weaker than the other, but still dangerous nonetheless.

    Couldn't get the full video, but its on FORA.tv
    No worries . I misread others often. Thanks for the recommendation. Let me check out the video on FORA.tv. It seems like a cool website that's perfect for nerds like myself. Lol.

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    Default Re: I think my frog has Chytrid, what can I do?

    Quote Originally Posted by Namio View Post
    No worries . I misread others often. Thanks for the recommendation. Let me check out the video on FORA.tv. It seems like a cool website that's perfect for nerds like myself. Lol.
    Its called Species Extinction: A Global Amphibian Epidemic.


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